Herderite Pavlov P V, Belov N V Soviet Physics Crystallography 4 (1959) 300-314 The structures of herderite, datolite and gadolinite determined by direct methods Locality: not given, but the crystal was natural _database_code_amcsd 0015537 CELL PARAMETERS: 9.8000 7.6800 4.8000 90.000 90.100 90.000 SPACE GROUP: P2_1/a X-RAY WAVELENGTH: 1.541838 Cell Volume: 361.267 Density (g/cm3): 2.998 MAX. ABS. INTENSITY / VOLUME**2: 5.987632245 RIR: 0.650 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 14.65 27.43 6.0449 1 1 0 4 18.10 2.10 4.9000 2 0 0 2 18.48 17.60 4.8000 0 0 1 2 21.51 4.41 4.1308 2 1 0 4 21.84 2.26 4.0704 0 1 1 4 23.16 20.27 3.8400 0 2 0 2 23.66 15.39 3.7610 -1 1 1 4 23.68 14.94 3.7571 1 1 1 4 25.96 16.15 3.4319 -2 0 1 2 26.01 53.87 3.4259 2 0 1 2 28.49 100.00 3.1333 -2 1 1 4 28.53 74.53 3.1287 2 1 1 4 29.55 28.75 3.0225 2 2 0 4 29.80 62.78 2.9985 0 2 1 4 31.18 42.33 2.8682 -1 2 1 4 31.20 42.83 2.8664 1 2 1 4 35.07 1.42 2.5589 -2 2 1 4 35.10 13.36 2.5564 2 2 1 4 35.20 12.46 2.5495 -3 1 1 4 35.25 25.82 2.5458 3 1 1 4 36.10 1.21 2.4881 3 2 0 4 36.27 4.93 2.4769 1 3 0 4 36.68 10.71 2.4500 4 0 0 2 37.47 2.64 2.4000 0 0 2 2 38.57 21.51 2.3341 4 1 0 4 39.33 2.06 2.2907 0 1 2 4 39.72 23.84 2.2690 2 3 0 4 39.91 25.18 2.2588 0 3 1 4 40.42 18.72 2.2314 -1 1 2 4 40.45 1.93 2.2298 1 1 2 4 40.83 30.03 2.2102 -3 2 1 4 40.87 29.62 2.2078 3 2 1 4 41.00 1.41 2.2015 -1 3 1 4 41.01 6.04 2.2007 1 3 1 4 41.35 12.37 2.1837 -4 0 1 2 41.41 15.30 2.1806 4 0 1 2 41.88 7.54 2.1568 -2 0 2 2 41.95 2.28 2.1539 2 0 2 2 43.06 7.05 2.1005 -4 1 1 4 44.13 6.12 2.0520 -2 3 1 4 44.52 5.72 2.0352 0 2 2 4 44.99 5.90 2.0150 3 3 0 4 45.51 15.39 1.9933 -1 2 2 4 45.53 17.47 1.9921 1 2 2 4 47.35 8.50 1.9200 0 4 0 2 47.90 1.95 1.8991 5 1 0 4 47.92 2.26 1.8982 -4 2 1 4 48.30 1.26 1.8842 1 4 0 4 48.40 1.05 1.8805 -2 2 2 4 48.46 3.04 1.8785 2 2 2 4 48.50 14.24 1.8770 -3 1 2 4 48.58 15.62 1.8741 3 1 2 4 49.01 1.00 1.8586 -3 3 1 4 49.05 2.90 1.8572 3 3 1 4 51.09 13.73 1.7877 2 4 0 4 51.25 17.66 1.7827 0 4 1 4 51.64 8.34 1.7700 4 3 0 4 51.74 2.93 1.7670 -5 1 1 4 52.41 11.38 1.7457 5 2 0 4 52.97 1.24 1.7285 -3 2 2 4 53.13 5.00 1.7240 -1 3 2 4 53.39 4.97 1.7160 -4 0 2 2 54.82 4.62 1.6747 -4 1 2 4 54.92 18.13 1.6719 4 1 2 4 55.29 12.24 1.6614 -4 3 1 4 55.34 9.84 1.6600 4 3 1 4 55.73 8.83 1.6495 -2 3 2 4 55.78 17.60 1.6481 2 3 2 4 56.03 3.99 1.6414 -5 2 1 4 56.33 3.81 1.6333 6 0 0 2 57.61 2.35 1.6000 0 0 3 2 58.95 5.74 1.5667 -4 2 2 4 59.05 2.21 1.5644 3 4 1 4 59.39 1.02 1.5562 5 3 0 4 59.78 6.28 1.5471 -6 0 1 2 59.81 1.60 1.5463 1 1 3 4 59.85 5.07 1.5454 6 0 1 2 59.91 1.07 1.5440 -3 3 2 4 60.94 4.54 1.5202 2 0 3 2 61.72 5.91 1.5030 6 2 0 4 62.19 2.63 1.4927 -2 1 3 4 62.26 1.92 1.4913 2 1 3 4 62.41 2.24 1.4880 5 1 2 4 62.68 1.60 1.4823 -1 4 2 4 62.74 1.29 1.4810 -5 3 1 4 63.71 4.47 1.4608 -1 2 3 4 63.74 5.17 1.4601 1 2 3 4 64.39 3.99 1.4470 -1 5 1 4 64.40 1.21 1.4468 1 5 1 4 64.68 1.41 1.4410 4 4 1 4 64.99 2.11 1.4350 -6 2 1 4 65.04 2.16 1.4341 -2 4 2 4 65.08 3.01 1.4332 2 4 2 4 66.11 4.44 1.4133 -3 1 3 4 66.14 1.03 1.4128 -5 2 2 4 66.21 2.43 1.4115 3 1 3 4 66.25 1.08 1.4107 5 2 2 4 68.88 2.43 1.3632 -3 4 2 4 69.25 3.15 1.3568 0 3 3 4 69.95 1.85 1.3450 3 2 3 4 70.52 2.79 1.3354 -3 5 1 4 70.55 4.25 1.3349 3 5 1 4 71.19 2.22 1.3245 -7 1 1 4 71.42 1.27 1.3207 -4 1 3 4 71.55 2.64 1.3187 4 1 3 4 71.57 1.03 1.3184 5 4 1 4 72.22 1.37 1.3081 -2 3 3 4 74.07 3.72 1.2800 0 6 0 2 74.42 2.36 1.2748 -6 2 2 4 74.80 2.51 1.2692 1 6 0 4 74.81 1.02 1.2691 -7 2 1 4 74.89 3.86 1.2680 7 2 1 4 75.04 2.74 1.2658 -4 2 3 4 75.70 1.77 1.2563 -4 5 1 4 75.75 2.39 1.2557 4 5 1 4 75.89 1.15 1.2537 -3 3 3 4 75.99 1.13 1.2524 3 3 3 4 76.07 2.23 1.2512 -2 5 2 4 76.12 3.53 1.2506 2 5 2 4 76.58 9.69 1.2441 6 4 0 4 77.69 5.10 1.2292 0 4 3 4 78.00 3.32 1.2250 8 0 0 2 78.03 1.48 1.2246 -5 1 3 4 78.18 1.34 1.2226 5 1 3 4 78.43 1.43 1.2194 1 4 3 4 79.18 3.19 1.2097 8 1 0 4 79.69 3.20 1.2032 -3 5 2 4 79.75 4.32 1.2024 3 5 2 4 79.95 2.26 1.2000 0 0 4 2 80.02 1.69 1.1990 2 6 1 4 80.31 1.26 1.1955 -7 1 2 4 80.79 1.09 1.1895 7 3 1 4 80.95 1.22 1.1877 -4 3 3 4 81.07 3.13 1.1862 4 3 3 4 81.12 1.26 1.1856 0 1 4 4 81.55 2.20 1.1804 -5 2 3 4 81.70 2.51 1.1786 5 2 3 4 81.86 1.65 1.1768 1 1 4 4 83.61 1.72 1.1565 3 6 1 4 83.81 3.64 1.1542 -7 2 2 4 83.95 3.03 1.1526 7 2 2 4 84.74 1.74 1.1440 -6 0 3 2 84.92 2.01 1.1420 6 0 3 2 85.62 1.22 1.1344 -8 2 1 4 86.08 1.47 1.1296 6 1 3 4 86.79 2.78 1.1221 -1 6 2 4 87.50 1.02 1.1148 5 3 3 4 88.47 4.93 1.1051 -6 4 2 4 88.90 2.34 1.1009 1 5 3 4 89.07 3.93 1.0992 -4 4 3 4 89.36 1.20 1.0964 -6 2 3 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.